<script setup>
import {ref,watch,onMounted} from 'vue';
import {queryPageApi,addEmpApi,queryByIdApi,updateEmpApi,deleteByIdApi} from '@/api/emp'
import {queryAllApi as queryAllDeptApi} from '@/api/dept'
import { ElMessage ,ElMessageBox} from 'element-plus'


// 条件查询对象
const empFrom=ref({
  name: '',
  gender: '',
  date:[],
  begin:'',
  end:''
})
// 侦听empFrom对象中的date属性
watch(()=>empFrom.value.date,(newVal,oldVal)=>{
  if(newVal.length==2){
    empFrom.value.begin=newVal[0];
    empFrom.value.end=newVal[1];
  }else{
    empFrom.value.begin='';
    empFrom.value.end='';
  }
})

const token=ref('');
//获取token
const getToken = () => {
  const loginUser = JSON.parse(localStorage.getItem('userLogin'));
  if(loginUser && loginUser.token){
    token.value = loginUser.token;
  }
}

//钩子函数
onMounted(()=>{
  search();
  queryDept();
  getToken();
})
//查询函数
const search=async()=>{
 const result=await queryPageApi(empFrom.value.name,empFrom.value.gender,empFrom.value.begin,empFrom.value.end,
    currentPage.value,pageSize.value );

  if (result.code) {
    empList.value=result.data.rows;
    total.value=result.data.total;
  }
}

// 清空搜索栏表单
const clear=()=>{ 
    empFrom.value={
    name: '',
    gender: '',
    date:[],
    begin:'',
    end:''
  };
  search();
 
}

// watch侦听----------------------------演示
// 1.侦听一个响应式数据
//  const a=ref('');
//  watch(a,(newVal,oldVal)=>{
//   console.log(`变化后的值:${newVal},变化前的值:${oldVal}`);
//  })

 //侦听一个对象（对象里面的全部属性）
//  const user=ref({name : '',gender : 10});
//  watch(user,(newVal,oldVal)=>{
//   console.log(newVal); 
//  },{deep : true})

//  侦听对象中的单个属性
// const user=ref({name : '',gender : 10});
//  watch(()=>user.value.gender,(newVal,oldVal)=>{
//   console.log(`变化后的值:${newVal},变化前的值:${oldVal}`);
//  })

const empList=ref([]);

 // 分页
const currentPage = ref(1)
const pageSize = ref(10)
const background = ref(true)
const total=ref(0);

// 每页展示记录数变化
const handleSizeChange = (val) => {
  search();
}

// 页码变化时触发
const handleCurrentChange = (val) => {
  search();
}

//新增/修改表单
const addEmp=()=>{
  dialogVisible.value=true;
  dialogTitle.value='新增员工';
  employee.value={username: '',name: '',gender: '', phone: '',job: '',salary: '', deptId: '',entryDate: '', image: '', exprList: []}
  if(empFormRef.value){
    empFormRef.value.resetFields();
  }
}
//职位列表数据
const jobs = ref([{ name: '班主任', value: 1 },{ name: '讲师', value: 2 },{ name: '学工主管', value: 3 },{ name: '教研主管', value: 4 },{ name: '咨询师', value: 5 },{ name: '其他', value: 6 }])
//性别列表数据
const genders = ref([{ name: '男', value: 1 }, { name: '女', value: 2 }])

//部门数据 
const deptList=ref([])

// 查询全部部门数据
const queryDept= async()=>{
  const result=await queryAllDeptApi();
  if(result.code){
    deptList.value=result.data;
  }
}

const employee = ref({
  username: '',
  name: '',
  gender: '',
  phone: '',
  job: '',
  salary: '',
  deptId: '',
  entryDate: '',
  image: '',
  exprList: []
})
 
// 控制弹窗
const dialogVisible = ref(false)
const dialogTitle = ref('新增员工')
 
//文件上传
// 图片上传成功后触发
const handleAvatarSuccess = (response) => {
  employee.value.image=response.data;
}
// 文件上传之前触发
const beforeAvatarUpload = (rawFile) => {
  if (rawFile.type !== 'image/jpeg' && rawFile.type !== 'image/png') {
    ElMessage.error('只支持上传图片')
    return false
  } else if (rawFile.size / 1024 / 1024 > 10) {
    ElMessage.error('只能上传10M以内图片')
    return false
  }
  return true
}

//工作经历
//动态添加工作经历 .
const addExpr=()=>{
  employee.value.exprList.push({exprDate: [], begin: '', end: '', company: '', job: ''})
}

//动态删除工作经历 
const delExprItem=(index)=>{
  employee.value.exprList.splice(index, 1)
}

//监听-employee员工对象中的工作经历数据
watch(()=>employee.value.exprList, (newValue, oldValue) => {
  if(employee.value.exprList && employee.value.exprList.length > 0) {
    employee.value.exprList.forEach(expr => {
      expr.begin = expr.exprDate[0]
      expr.end = expr.exprDate[1]
    })
  }
}, {deep: true});

//表单应用
const empFormRef=ref()
// 保存、修改
const save= async()=>{
  if (!empFormRef.value) result;
  await empFormRef.value.validate(async (valid)=>{ 
    if(valid){//通过
      let result;
      if(employee.value.id){//修改
       result=await updateEmpApi(employee.value);
    }else{//新增
      result=await addEmpApi(employee.value);
    }
      if(result.code){
        ElMessage.success(result.msg);
        dialogVisible.value=false;
        search();
      }else{
        ElMessage.error(result.msg);
      }
    }else{
      ElMessage.error("表单校验失败");
    }
  })
}


//表单校验规则
const rules = ref({
  username: [
    { required: true, message: '请输入用户名', trigger: 'blur' },
    { min: 2, max: 20, message: '用户名长度应在2到20个字符之间', trigger: 'blur' }
  ],
  name: [
    { required: true, message: '请输入姓名', trigger: 'blur' },
    { min: 2, max: 10, message: '姓名长度应在2到10个字符之间', trigger: 'blur' }
  ],
  gender: [
    { required: true, message: '请选择性别', trigger: 'change' }
  ],
  phone: [
    { required: true, message: '请输入手机号', trigger: 'blur'  },
    /**
     * 正则表达式: / ..... / ;  ^ : 以...开始 ;  $ : 以 ... 结束
     * [3-9] : 范围 3-9 之间
     * \d : 数字, [0-9]
     * {9} : 量词
     */
    { pattern: /^1[3-9]\d{9}$/, message: '请输入有效的手机号', trigger: 'blur' }
  ]
});

//根据ID查询数据，并打开修改对话框
const Edit=async (id)=>{
  const result=await queryByIdApi(id);
  if(result.code){
    dialogVisible.value=true;
    if(empFormRef.value){
    empFormRef.value.resetFields();
  }
    dialogTitle.value = '修改员工';
    employee.value=result.data;
    if(employee.value.exprList.length>0){
      employee.value.exprList.forEach(expr=>{
        expr.exprDate=[expr.begin,expr.end];
      })
    }
   
  }
}

// 删除单个数据
const deleteById= async (id)=>{
  ElMessageBox.confirm('确认删除数据吗?','提示',{confirmButtonText: '确认',cancelButtonText: '取消',type: 'error'}
  ).then(async() => {
    const result=await deleteByIdApi(id);
  if(result.code){
    ElMessage.success(result.msg);
    search();
  }else{
    ElMessage.error(result.msg);
  }
    }).catch(() => {
      ElMessage.info("取消删除")
    }) 
}

//记录勾选的员工的id
let empIds=ref([]);

//复选框勾选发生变化时触发 - selection: 当前选中的记录 (数组)
const handleSelectionChange = (selectionData) => {
  empIds.value=selectionData.map(data=>data.id);
}

//批量删除
const delByIds=()=>{
    ElMessageBox.confirm('确认删除数据吗?','提示',{confirmButtonText: '确认',cancelButtonText: '取消',type: 'error'}
  ).then(async() => {
      if (empIds.value && empIds.value.length>0 ) {
            const result=await deleteByIdApi(empIds.value);
          if(result.code){
            ElMessage.success(result.msg);
            search();
          }else{
            ElMessage.error(result.msg);
          }
       }else{
        ElMessage.info('您没有选择任何要删除的数据');
       }
 
    }).catch(() => {
      ElMessage.info("取消删除")
    }) 
  
}
</script>

<template>
  <h1>员工管理</h1>
  <div class="container">
    <!-- 搜索栏 -->
    <el-form :inline="true" :model="empFrom" class="demo-form-inline">
    <el-form-item label="姓名">
      <el-input v-model="empFrom.name" placeholder="请输入员工姓名" clearable />
    </el-form-item>
    <el-form-item label="性别">
      <el-select
        v-model="empFrom.gender"
        placeholder="请选择"
        clearable
      >
        <el-option label="男" value="1" />
        <el-option label="女" value="2" />
      </el-select>
    </el-form-item>
    <el-form-item label="入职日期">
      <el-date-picker
        v-model="empFrom.date"
        type="daterange"
        range-separator="到"
        start-placeholder="开始时间"
        end-placeholder="结束时间"
        value-format="YYYY-MM-DD"
      />
    </el-form-item>
    <el-form-item>
      <el-button type="primary" @click="search">查询</el-button>
      <el-button type="info" @click="clear">清空</el-button>
    </el-form-item>
  </el-form>
  </div>

  <!-- 按钮 -->
   <div class="container">
    <el-button type="primary" @click="addEmp">+ 新增员工</el-button>
    <el-button type="danger" @click="delByIds">- 批量删除</el-button>
   </div><br>
  <!-- 表格 -->
  <div class="container">
    <el-table :data="empList" border style="width: 100%" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55"  align="center"/>
    <el-table-column prop="name" label="姓名" width="120" align="center"/>
    <el-table-column  label="性别" width="120" align="center">
      <template #default="scope">
         {{ scope.row.gender==1 ? '男' : '女'}}
        </template>
    </el-table-column>
    <el-table-column  label="头像" width="120" align="center">
      <template #default="scope">
         <img :src="scope.row.image" height="40px">
      </template>
    </el-table-column>
    <el-table-column prop="deptName" label="所属部门" width="120" align="center"/>
    <el-table-column prop="job" label="职位" width="120" align="center">
      <template #default="scope">
          <span v-if="scope.row.job == 1">班主任</span>
          <span v-else-if="scope.row.job == 2">讲师</span>
          <span v-else-if="scope.row.job == 3">学工主管</span>
          <span v-else-if="scope.row.job == 4">教研主管</span>
          <span v-else-if="scope.row.job == 5">咨询师</span>
          <span v-else>其他</span>
        </template>
    </el-table-column>
    <el-table-column prop="entryDate" label="入职日期" width="120" align="center"/>
    <el-table-column prop="updateTime" label="最后操作时间" width="200" align="center"/>
    <el-table-column prop="address" label="操作" align="center">
      <template #default="scope">
          <el-button size="small" @click="Edit(scope.row.id)">修改</el-button>
          <el-button size="small" type="danger" @click="deleteById(scope.row.id)">删除</el-button>
        </template>
    </el-table-column>
  </el-table>
  </div><br>

  <!-- 分页条 -->
  <div class="container">
    <el-pagination
      v-model:current-page="currentPage"
      v-model:page-size="pageSize"
      :page-sizes="[5,10, 20, 30, 50]"
      :background="background"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total"
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
    />
  </div>

   <!-- 新增/修改员工的对话框 -->
   <el-dialog v-model="dialogVisible" :title="dialogTitle">
      <el-form :model="employee" label-width="80px" :rules="rules" ref="empFormRef">
        <!-- 基本信息 -->
        <!-- 第一行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="用户名" prop="username">
              <el-input v-model="employee.username" placeholder="请输入员工用户名，2-20个字"></el-input>
            </el-form-item>
          </el-col>
           
          <el-col :span="12">
            <el-form-item label="姓名" prop="name">
              <el-input v-model="employee.name" placeholder="请输入员工姓名，2-10个字"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
 
        <!-- 第二行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="性别" prop="gender">
              <el-select v-model="employee.gender" placeholder="请选择性别" style="width: 100%;">
                <el-option v-for="gender in genders" :key="gender.name" :label="gender.name" :value="gender.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
 
          <el-col :span="12">
            <el-form-item label="手机号" prop="phone">
              <el-input v-model="employee.phone" placeholder="请输入员工手机号"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
 
        <!-- 第三行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="职位">
              <el-select v-model="employee.job" placeholder="请选择职位" style="width: 100%;">
                <el-option v-for="job in jobs" :key="job.name" :label="job.name" :value="job.value"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="薪资">
              <el-input v-model="employee.salary" placeholder="请输入员工薪资"></el-input>
            </el-form-item>
          </el-col>
        </el-row>
 
        <!-- 第四行 -->
        <el-row :gutter="20">
          <el-col :span="12">
            <el-form-item label="所属部门">
              <el-select v-model="employee.deptId" placeholder="请选择部门" style="width: 100%;">
                <el-option v-for="dept in deptList" :key="deptList.id" :label="dept.name" :value="dept.id"></el-option>
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="入职日期">
              <el-date-picker v-model="employee.entryDate" type="date" style="width: 100%;" placeholder="选择日期" format="YYYY-MM-DD" value-format="YYYY-MM-DD"></el-date-picker>
            </el-form-item>
          </el-col>
        </el-row>
 
        <!-- 第五行 -->
        <el-row :gutter="20">
          <el-col :span="24">
            <el-form-item label="头像">
              <el-upload
                class="avatar-uploader"
                action="/api/upload"
                :headers="{'token':token}"
                :show-file-list="false"
                :on-success="handleAvatarSuccess"
                :before-upload="beforeAvatarUpload"
                >
                <img v-if="employee.image" :src="employee.image" class="avatar" />
                <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
              </el-upload>
            </el-form-item>
          </el-col>
        </el-row>
         
 
        <!-- 工作经历 -->
        <!-- 第六行 -->
        <el-row :gutter="10">
          <el-col :span="24">
            <el-form-item label="工作经历">
              <el-button type="success" size="small" @click="addExpr">+ 添加工作经历</el-button>
            </el-form-item>
          </el-col>
        </el-row>
         
        <!-- 第七行 ...  工作经历 -->
        <el-row :gutter="3" v-for="(expr ,index) in employee.exprList">
          <el-col :span="10">
            <el-form-item size="small" label="时间" label-width="80px">
              <el-date-picker  v-model="expr.exprDate" type="daterange" range-separator="至" start-placeholder="开始日期" end-placeholder="结束日期" format="YYYY-MM-DD" value-format="YYYY-MM-DD" ></el-date-picker>
            </el-form-item>
          </el-col>
 
          <el-col :span="6">
            <el-form-item size="small" label="公司" label-width="60px">
              <el-input placeholder="请输入公司名称" v-model="expr.company"></el-input>
            </el-form-item>
          </el-col>
 
          <el-col :span="6">
            <el-form-item size="small" label="职位" label-width="60px">
              <el-input placeholder="请输入职位" v-model="expr.job"></el-input>
            </el-form-item>
          </el-col>
 
          <el-col :span="2">
            <el-form-item size="small" label-width="0px">
              <el-button type="danger" @click="delExprItem(index)" >- 删除</el-button>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
       
      <!-- 底部按钮 -->
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false">取消</el-button>
          <el-button type="primary" @click="save">保存</el-button>
        </span>
      </template>
  </el-dialog>
</template>

<style scoped>
.avatar {
  height: 40px;
}
.avatar-uploader .avatar {
  width: 78px;
  height: 78px;
  display: block;
}
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}
 
.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}
 
.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 78px;
  height: 78px;
  text-align: center;
  border-radius: 10px;
  /* 添加灰色的虚线边框 */
  border: 1px dashed var(--el-border-color);
}
</style>